Home / 1,917,375.09-2,646,033-1,057,990.71

Finding the Fourth Proportional to 1,917,375.09, 2,646,033 and 1,057,990.71

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Solution

The fourth proportional to 1,917,375.09, 2,646,033 and 1,057,990.71 is: 1,460,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,375.09 : 2,646,033 = 1,057,990.71 : x
  2. Step 2: Convert to fraction form
    1,917,375.09/2,646,033 = 1,057,990.71/x
  3. Step 3: Cross multiply
    1,917,375.09x = 2,646,033 × 1,057,990.71
  4. Step 4: Simplify right side
    1,917,375.09x = 2,799,478,332,353.43
  5. Step 5: Solve for x
    x = 2,799,478,332,353.43/1,917,375.09
  6. Step 6: Final answer
    x = 1,460,057.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.